The Pharmacia GeneQuant Pro RNA/DNA Calculator (now GE Lifesciences) is optimized for RNA/DNA quantification and oligonucleotide characterization. It is also excellent for quantify proteins as well as measuring OD for cell culture solutions. GeneQuant pro can also quantify proteins as well as measure OD for cell culture solutions. It does survey scanning of nucleic acid samples. Large, easy to read display shows all relevant results at once.